Renthal Ultralight Grooved Front Sprocket 520 Chain Pitch x 13 Teeth 439U 520 13GP feed mpn 25 2083 Product Details Tire Diameter Speed Product Details Tire Diameter Speed Rating Load Rating Wall Construction Tire Tube Type Rim Size Product Line Woodys Trailblazer IV Wear Rods Part Number TYV4 6550 Fitment Type Unit Sale Qty Pair Style Trail Material Color Size 6 Inch Carbide Finish Position Functional Length Cable Sleeve Length Cable Sleeve Travel Driver Seat Length Passenger Seat Length Driver Seat Width Passenger Seat Width Piston Cylinder Size Piston Size Added Cylinder Stroke Volume Final Engine Displacement Exhaust Configuration Muffler Size Muffler End Tip Style Windshield Height Windshield Width Handlebar Diameter California Air Resource Board Compliance FALSE Product Disclaimer 2003 Ski Doo MX Z 800 Renegade Allowing the easy escape of the mud prevents tension being placed on the chain and the resulting accelerated wear GROOVED chain wheels have cut outs at the bottom of the tooth to allow the escape of mud that would otherwise be trapped between the chain wheel and the chain